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1 I\: I ~ It -~::::;;; F~il ~~~- ~ 2 " 3 c:;, .-----.--. ?~ U) U) '<t o -.J UJ Z <{ t~ ~ 4 N 11) I ~\ ~ 5 ~ j) >6E ii --------~ ZONE X EX " \i)t~ ~~ RM ~ , c:;, ZONE X == ) \\ ---~ r~ ~~~I zs ( / ( \;\ ZONE X ......- V 1~ ! ) ~~JL- <<~l___ ~ j3) ---..::::: ZONE X ~! .~--\=\.--". ( . o .v II I / ~9) tx0 ZONE X J) i ~ ~Qyo ~~ ~ ZONE X ZONEX ==1 (==~ _J.-_ i./=. ~/7!::=":'. ,)< 1/ RM ~ ! (") <"J ~ Ir~--- ~ (") <"J ~ I~ ZONE X , /~ '/"- ZONE X ZONE X ~ - ~ E , '\' 00'" \)" IZONE X ~ j t-l_~l -..---. \ .. .~ 1/ / / -.-.- r- l ~ JSO) ,0 + ZONE II i~,=~ )) ROAD ~ ...---.== ............::>. G'~ -</1;0 // -,(:>>>- .. j([\C)! ::::::-.:=; L Ii. ;.l;:::i\::::' '. . ,-_.~.-= _J -----~--'- I ~;-------. City of Grand Junction AREA NOT INCLUDED RM 8 RM 7> X II "* AO (DEPTH 1) ~ I) -# ~ \ZONEX II II Ii II II Ii l I ~ ci: ~ '----==:::::::-.-- II ----==:::=== I ~ZONEAO (DEPTH 1) 1- ZON~ X ZONE X ~ ~ ~ G ] ZONE ZONE X 4545 I J I ~ ~ i) / ~ [g [f] ~ ~ <'.J' "t "'-I, f',., ~II~ J2 ~ I ~'~ )) , _, EAE ~ l.C) "t 0) f',., l.() "t ZONE (DEPTH 1) .... ..-rZON X Tributary Creek ~ <'J / 544 $<7. I V0~ / "'~r~ro // " l10(j dl).\\ / ZONE X '------ _~20-/ It/I/. ~Ii> ~ EX I...........- L x' ZONE\ RM 5 tC\\ X -- >=Y GONE X / ZONE X ~/ "''( '/.:- ~ ~ ~ '10 "- ____. . ;:=-=:c____.\! .J)) \r~IC - .,: :::::......-.-. .~. .. IL... ~ \~--~... II ! \\..... ./ I\{ \' ZONEX- ~ ^1 VI:, 11;(;$ ~~ II ."'0. i I .. (\ ...... JOINS PANEL 0275 v~> '" \ \ '\.. ~ }~"-- -;:::;;;::::.:::-':: ~ d:: 4f;Q' . 2'2 ~ ZONE AE 4590 "- co l.() "t ~ \.C') ~ ~ ~ '<:t j ZONE AO (DEPTH 1) ZONE X I( 1 ~~fv,112, 1 ~ J ZONE X f~' ---- ZONEX II ~"- II l ,\- ZONE ~ \.9 v u:> ;;>> S?, B.. '9-- .c.. ~ ~ -^" ~\ ~ J -".- ZONE X (') ~ ~ - . ~~ ~- ~/7 !I X * & (5 46.26 II ) / ~ v6' /<9 X 46.2.:] ~ V'~ ~ ) ZONE X v6' /;:=-- /.;> ~ o~ ZONE G ~ (j\ <.P ---.1 ~~// / '<;16'0<;1 ~~ ~ ZONEAE ~ EX ex: ZONEX ~~ ~ r ~ 1--)) ~~I RM10",! ROAD ~>-- FV2 Ranchmens Dikh City of Grand Junction AREA NOT INCLUDED ZONE X RM 6 " ...-.4548 Cit.y of Grand Junction AREA NOT INCLUDED ZONE X RM18 ZONE X ZONEAE (EL4550) ZONE X "::7nl\u: .......... (i ..... \\~::. />: Ii / L^"~:::=::=:~ .............. ~::< ( p..~ . EX .: . . ;'/ ~ :; I JOINS PANEL 0470 7 . . I/zo I X I (ON~ X ~c ~ --- ( vRM 13 J V( X:EX -r- ZONE X ZONEX REFERENCE MARK RM1 ELEVATION (FT.NGVD) 4527.73 RM2 4674.05 RM3 4529.74 RM4 4536.61 RM5 4542.52 RM6 4547.09 RM7 4552.05 RM8 4563.86 RM9 4574.64 RM10 4594.76 RM11 4672.66 *RM12 4564.06 4548 *RM13 4579.73 \ *RM14 4645.81 4660 ZONEX 466~ *RM15 4663.21 EX .:.;.. ...... E X !I~:>\:I ---::J"" ' .... '\;.:........... -;:..::=-/ ...... LlMITOF DETAILED STUDY I ~_ /--1l=( ~~ ---.. lit :1 . 466-. 468_5.. 4684 ZONE X ~665 RM11 X ~ ZONE 6'~ ---..--- lNEX ~ -_._~~~ ../ ~ 4636 4631 ~ ;-...... --_. -.---. ~~:~ ~=,: iEl ROAD " I Q?) f{ ,~ ~ City of Grand .function AREA NOT INCLUDED ;=:=== !I ); t Irc=\ ~=>-~~~ N '-... r ~ ~ 1/ ~ )) ( ~~ ~cc= // I~~r~ Canal -V ;;/,; -- f)'( Hori.zon xR M 14 RM 15 X R ENCE MARKS DESCRIPTION OF LOCATION A U.S. Geological Survey disk riveted to a 3.5-inch steel pipe projecting 1.5 feet above ground, 280 feet southeast of centerline of junction of Grand River Roads, 65.7 feet southwest of centerline of Denver and Rio Grande Western Railroad mainline track, 1.5 feet northeast of right-of-way,fence northwest of Grand Junction. A 0.625-inch rebar set in ground, 150 feet south of junction of 23rd and E Roads, along west side of road, 8 feet northeast of power pole, west of Grand Junction; U.S. Bureau of Reclamation. A 0.5-inch rebar set in ground, 3.5 feet northeast of corner of Lot 25, 2325 River Road, northwest of Grand Junction; Henningson, Durham & Richardson,lnc Nail in north side of power pole no. 109/1, 2353 River Road, northwest of Grand Junction; Henningson, Durham & Richardson, Inc. Nail in telephone pole no. 11435, 2353 River Road, northwest of Grand Junction; Henningson, Durham & Richardson Inc. A 0.625-icnh rebar set in ground, 15 feet west of River Road, 80 feet west of Denver and Rio Grande Western Railroad mainline tracks in fine with 25 Road extended, west of Grand Junction; U.S. Bureau of Reclamation. A 0.625-inch rebar set in ground, 5 feet west of 24 Road, 2900 feet north of junction of 24 Road and U.S. Highways 6 and 50, northwest of Grand Junction; U.S. Bureau of Reclamation. Aluminum tag, stamped APS TBM 24B 19-8-66, set in west end of concrete curb on G Road bridge east of intersection with 24 Road, west of Grand Junction; Air Photo Surveys, Grand Junction. Aluminum tag, stamped APS TBM 19-8-66, set in northeast corner of bridge located on 24- % Road south of intersection with G Road, northwest of Grand Junction; Air Photo Surveys, Grand Junction. Mesa County Survey marker, marked Center Section 3, at intersection of 25-% and F-V2 Roads, northwest of Grand Junction; Mesa County. Hinge nail in power pole at end of Kelly Drive, approximately 125 feet north of Paradise Hills Sewage Treatment Plant; Henningson, Durham & Richardson, Inc. A brass cap in center of intersection of F and 25 Roads, northwest of Grand Junction; Mesa County Hinge nail in north side of power pole on southeast corner of intersection of 25-% and F Roads, northwest of Grand Junction; Henningson, Durham & Richardson, Inc. Brass cap in center of F Road, 1320 feet east of intersection with 26 Road in Grand Junction; Mesa County. Brass cap set flush with pavement in center of intersection of 26- % and F Roads in Grand Junction; Mesa County. p..C ZONE X ZONE X Q 'X'" \0"- ~ 0' ~ RM 23 -~ ...... ---------=-.:.:::::. ZONEAE ..... -/ ~ ::::.===== \1 r= \\ 11- ROAD o EX .'~ Ii ( l = 1"~ @ 1/ ~ ~~ ~ u:> <5' ~ <;16'<;17 'S7 6' u:> <9 ZONE X REFERENCE MARK *RM16 *RM17 RM18 *RM20 *RM21 *RM22 *RM23 *RM24 *RM25 *RM26 RM44 A~ ~J)) ~ f I ! < ~~ '(/ RM 17 ~ Q; ~~ N..."r::r () RM 16 X NEAE (EL 4650) 100-YEAR AND 500-YEAR FLOODS CONTAINED IN CULVERTS ZONEX ......- ZONEX ~ If ~ ifN,) I ---.::::; ...... D " I I \J I ZONE X- I ELEVATION R ELEVATION (FT.NGVD) 4697.88 4692.66 4546.63 4553.69 4578,24 4574.98 4574.54 4565.07 4568.99 4577.70 4538.67 *LOCATED IN AREA NOT INCLUDED ENCE MARKS DESCRIPTION OF LOCATION U.S. Coast and Geodetic Survey disk, marked B364 1963, set in southwest corner of concrete cistern on west side of St. Nicholas Hellenic Church, approximately 1.5 miles north of 12th Street from intersection of 12th and North Streets in Grand Junction. Brass cap in center of intersection of 27 and G Roads in Grand Junction; Mesa County. Bolt in telephone pole no.9, 1.0 foot above ground, at 2525 River Road, northwest of Grand Junction; Henningson, Durham & Richardson, Inc. Spike in power pole at northeast corner of intersection of West and Main Streets in Grand Junction; Henningson, Durham & Richardson, Inc. U.S. Geological Survey disk, marked 4579, set in southwest side of baggage room in northwest end of front wall, 3.3 feet above platform of Denver and Rio Grande Western Railroad station in Grand Junction. U.S. Coast and Geodetic Survey disk, stamped 4574.978 Q-11 1976, in concrete sill at floor level on west side of waiting room entrance at southwest corner of Denver and Rio Grand Western Railroad station in Grand Junction. U.S. Coast and Geodetic Survey disk, stamped 4574.545 P-11 1926, set in east side of north stone abutment of Denver and Rio Grande Western Railroad bridge 423-A over Colorado River in top of east side of north abutment approximately 3 feet above track, at Grand Junction. North cap bolt in fire hydrant on northeast corner of intersection of 5th Street and Noland Avenue in Grand Junction; Henningson, Durham & Richardson, Inc. Spike set 1 foot above ground in north side of 3.5-foot high, 5-inch diameter road post on southwest corner of intersection of 9th St,eet and Noland Avenue in Grand Junction; Henningson, Durham & Richardson, Inc. Northeast corner of inlet structure to old South Side Sewage Treatment Plant, southeast of Grand Junction; Henningson, Durham & Richardson, Inc Rebar 2" above ground 1.0" south of fence line on middle of section on north side of Dike Road in Section 9, T. 1 S., R. 1 W. ~ 0--- ;.::. /~~ c~~ p. ~~I:~~~::f~ ~~ /~~ \. ... EX ~::: FLOODING EFFECTS .::.:] FROM CO~L. ORADO RIVER iL ._1 EA M....-.....-.. I[ MINE X X ..: I.~~_ I: ...... "4576 "' -;-;:::: LEGEN SPECIAL FLOOD HAZARD AREAS INUNDATED BY 100-YEAR FLOOD ZONE A No base flood elevations determ'ined. ZONE AE Base flood elevations determined. ZONE AH Flood depths of 1 to 3 feet (usually areas of pond in g) ; base flood elevations determ ined. ZONE AO Flood depths of 1 to 3 feet (usually sheet flow on sloping terrain); average depths determined. For areas of alluvial fan flood- ing, velocities also determined. ZONE A99 To be protected from 100-year flood by Federal flood protection system under construction; no base elevations determ ined. ZONE V Coastal flood with velocity hazard (wave action); no base flood elevations deter- mined. ZONE VE Coastal flood with velocity hazard (wave action); base flood elevations determ ined. FLOODWAY AREAS IN ZONE AE ~ I I OTHER FLOOD AREAS . ZONE X Areas of 500-year flood; areas of 100-year flood with average depths of less than 1 foot or with d'rainage areas less than 1 square mile; and areas protected by levees from 100- year flood. I I OTHER AREAS ZONE X Areas determined tn be outside 500- year flood plain. ZONE D Areas in which flood hazards are undeterm ined. Flood Boundary Floodway Boundary Zone D Boundary Boundary Dividing Special Flood Hazard Zones, and Boundary Dividing Areas of Different Coastal Base Flood Elevations Within Special Flood Hazard Zones. 513 Base Flood Elevation Line; Ele- vation in Feet* @---@ Cross Section Line (EL 987) Base Flood Elevation in Feet Where Uniform Within Zone* RM7X Elevation Reference Mark *Referenced to the National Geodetic Vertical Datum of 1929 NOTES This map is for use in administering the National Flood Insurance Program; it does not necessari Iy identify all areas subject to flooding. particularly from local drainage sources of small size, or all planimetric features outside Special Flood Hazard Areas. Areas of special flood hazard (lOO-year flood) include Zones A. Al.30. AE, AH, AO, A99, V, Vl-30 AND VE. Certain areas not in Special Flood Hazard Areas may be protected-by flood control structures. Boundaries of the floodways were computed at cross sections and interpolated between cross sections. / The f100dways were based on hydraulic considerations With regard to requirements of the Federal Emergency Management Agency. Floodway widths in some areas may be too narrow to show to scale. Floodwav widths are provided in the Flood Insurance Study Report. Coastal base flood elevations apply only landward of the shoreline. o co '<t o .....I lJJ Z I<{ I~ z o J For adjoining map panels see separately printed Map Index MAP REPOSITORY Department of Public Works 750 Main Street Grand Junction, Colorado 81501 (Maps available for reference only, not for distribution) INITIAL IDENTIFICATION: OCTOBER 18, 1974 FLOOD HAZARD BOUNDARY MAP REVISIONS: .~ FLOOD INSURANCE RATE MAP EFFECTIVE: JULY 3, 1978 FLOOD INSURANCE RATE MAP REVISIONS: Map revised JULY 15, 1992 to update corporate limits, to decrease base flood elevations, to add base flood elevations, to add speCial flood hazard areas. to update map format, to add roads and roa<;l names and to reflect updated topographic information To determine if flood insurance is available, contact an insurance agent or call the National Flood Insurance Program at (800) 638-6620. . I '.4 ""f4 APPROXIMA fE SCALE IN FEET 1000 0 1 0 ~ !---'1 r----l __ NA nONAL FLOOD INSURANCE PROGRAM I FLOOD I~~!.!~~N RATE MAP M SA UNTY~ COLO DO (UNINCORPOR I) AREAS) PANEL 460 1000 (SEE MAP INDEX FOR PANELS NOT PRINTED) / PANEL LOCATION iMMllN .n 080115 0460 B .~i) ~ ~ '/ "..-/ 1 1992 Federal L5~Hvy Management Agency